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FireFox, Windows Security and Kestrel on ASP.NET Core



Ran into issues today with Windows Authentication and FireFox in a ASP.NET Core application where auth was working with all browsers **except** for FireFox. Firefox would just throw up endless sequences of login dialogs or in some cases just show the default ASP.NET Core 'UnAuthenticated' dialog. Here's what this looks like and how to work around it.
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